<?php
/**
 * @Author: Marte
 * @Date:   2020-04-02 11:54:21
 * @Last Modified by:   Marte
 * @Last Modified time: 2020-04-02 11:57:15
 */
include_once 'Facade.php';

class Tool{
    public function send(){
        return '扩展一个工具类';
    }
}

class ToolFacade extends Facade{
    protected static function getFacadeClass(){
        return 'Tool';
    }
}

var_dump(ToolFacade::send());